![Real Madrid Castilla Stats on Twitter: "OFFICIAL: Defender Sergio Santos has joined Castilla from Juvenil A. Despite being predominantly a right-back, Sergio can comfortably play anywhere across the back line. Welcome to Real Madrid Castilla Stats on Twitter: "OFFICIAL: Defender Sergio Santos has joined Castilla from Juvenil A. Despite being predominantly a right-back, Sergio can comfortably play anywhere across the back line. Welcome to](https://pbs.twimg.com/media/EgmoOyKX0AguxEw.jpg)
Real Madrid Castilla Stats on Twitter: "OFFICIAL: Defender Sergio Santos has joined Castilla from Juvenil A. Despite being predominantly a right-back, Sergio can comfortably play anywhere across the back line. Welcome to
![Madrid Xtra on Twitter: "Congratulations to Sergio Santos for making his Real Madrid debut last night! 1️⃣ https://t.co/krUKPXdo9G" / Twitter Madrid Xtra on Twitter: "Congratulations to Sergio Santos for making his Real Madrid debut last night! 1️⃣ https://t.co/krUKPXdo9G" / Twitter](https://pbs.twimg.com/media/E_9STCrWEAMOtIU.jpg)
Madrid Xtra on Twitter: "Congratulations to Sergio Santos for making his Real Madrid debut last night! 1️⃣ https://t.co/krUKPXdo9G" / Twitter
![Madrid Zone on Twitter: "🚨| Real Madrid Castilla right-back Sergio Santos is COVID-19 positive. He trained with the squad all week, which is why the club is concerned while they wait for Madrid Zone on Twitter: "🚨| Real Madrid Castilla right-back Sergio Santos is COVID-19 positive. He trained with the squad all week, which is why the club is concerned while they wait for](https://pbs.twimg.com/media/ElwZf5bXIAEU6Uz.jpg)